Results 31 to 40 of about 119 (99)

Manejo de plantas daninhas em milho RR® com herbicidas aplicados isoladamente ou associados ao glyphosate

open access: yesRevista de Ciências Agroveterinárias, 2018
Objetivou-se com este trabalho avaliar a eficácia e a seletividade de herbicidas aplicados isoladamente ou em mistura de tanque na cultura do milho RR®. O delineamento experimental utilizado foi de blocos casualizados com quatro repetições.
Felipe José Menin Basso   +7 more
doaj   +1 more source

Biomass flows and defoliation patterns of alexandergrass pasture grazed by beef heifers, receiving or not protein salt

open access: yesActa Scientiarum: Animal Sciences, 2014
The experiment aimed at evaluating leaf biomass flow, intensity and frequency of defoliation of Alexandergrass (Urochloa plantaginea (Link) Hitch) by beef heifers exclusively on pasture or that grazed and received protein salt.
Lidiane Raquel Eloy   +5 more
doaj   +1 more source

Effect of supplementation frequency in feeding behavior, displacement patterns and forage intake of beef heifers

open access: yesSemina: Ciências Agrárias, 2017
Our work was carried out to evaluate forage intake, feeding behavior and displacement patterns of beef heifers fed exclusively on pasture or receiving oat grain, either daily (“frequent”) or from Monday to Friday (“infrequent”), in two phenological ...
Maria José de Oliveira Sichonany   +7 more
doaj   +3 more sources

Selectivity and efficiency of herbicides in weed control on sweet sorghum

open access: yesPesquisa Agropecuária Tropical, 2016
The lack of registered herbicides for weed control in sweet sorghum has been a limiting production factor. This study aimed at evaluating the selectivity of herbicides in sweet sorghum and weed control efficiency.
Leandro Galon   +4 more
doaj   +1 more source

Weed Vegetation Structure in an Area of Organic Acerola Cultivation, Parnaíba, Piauí, Brazil [PDF]

open access: yesPlanta Daninha, 2020
: This study aimed to identify and quantify the weed species in an area of organic acerola cultivation in the Distrito de Irrigação dos Tabuleiros Litorâneos do Piauí (DITALPI) in Parnaíba, Piauí, Brazil.
P.H.S. SOUSA   +3 more
doaj   +1 more source

INTERFERÊNCIA DO ARRANJO DE PLANTAS DANINHAS NO CRESCIMENTO DO FEIJOEIRO

open access: yesRevista de Agricultura Neotropical, 2017
A produtividade média da cultura do feijoeiro pode ser considerada baixa e entre os fatores que mais impactam nessa perda está a competição com plantas daninhas.
Patrícia Lage   +4 more
doaj   +1 more source

Interference and economic damage level of alexandergrass on carioca type beans

open access: yesTechnology in Agronomy
Determining the competitive ability of bean cultivars and the economic damage level (EDL) caused by alexandergrass is important for the implementation of integrated weed management.
Leandro Galon   +7 more
doaj   +1 more source

Leaf tissue flows and defoliation patterns of Alexandergrass grazed by heifers receiving energy supplement

open access: yesActa Scientiarum: Animal Sciences, 2019
The study was carried out to evaluate defoliation patterns and to quantify leaf tissue flows in Alexandergrass (Urochloa plantaginea (Link.) Hitch) grazed by beef heifers receiving whole rice bran in three levels of supplementation (0, 0.5 and 1 % of ...
Paula de Oliveira Severo   +5 more
doaj   +1 more source

Shifts in grasses diversity patterns between two contrasting 40‐year climate periods in tropical dry islands

open access: yesEcosphere, Volume 15, Issue 4, April 2024.
Abstract Grasses are one of the most successful and dispersed plant families worldwide and their environmental and economic values are widely acknowledged. They dominate the landscape of Cabo Verde, the southernmost and driest archipelago of Macaronesia, and are relevant natural resources for local populations, but a comprehensive evaluation of their ...
Maria Cristina Duarte   +7 more
wiley   +1 more source

COMPORTAMENTO INGESTIVO DE NOVILHOS ALIMENTADOS COM SILAGEM DE CAPIM PAPUÃ (UROCHLOAPLANTAGINEA) X SILAGEM DE SORGO (SORGHUM BICOLOR (L.) MOENCH) Ingestive behaviour of steers fed with Alexander grass silage (Urochloa plantaginea) x sorghum silage (Sorghum bicolor (L.) Moench)

open access: yesRevista Acadêmica Ciência Animal, 2013
O presente estudo objetivou avaliar os parâmetros de comportamento ingestivo de novilhos terminados em confinamento, alimentados com silagem de capim papuã e silagem de sorgo. Cada tratamento foi composto por seis animais com peso e idade média inicial de 245 kg e 20 meses, respectivamente, e grupos genéticos de cruzas Nelore (N) com Charolês (C).
Flânia Mônego Argenta   +9 more
openaire   +1 more source

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